Medicare paid one doctor nearly $21 million in 2012, and a small group of doctors $3 million or more apiece.
As heroin use rises, authorities are seeing the return of heroin that, often unbeknownst to the user, is spiked with fentanyl.
The House on Thursday approved a reprieve from a looming 24 percent cut in doctor payments from Medicare, and the Senate hopes to pass the bill before Monday's deadline.
There are not yet national figures on enrollment by race and ethnicity, but Hispanic advocacy groups are concerned that not enough Hispanics are signing up based on preliminary numbers from some states.
Scientists tackling an outbreak of Ebola in Guinea believe they have identified the virus as the Zaire strain, the most lethal of all.
Hispanics account for about a third of the nation's uninsured, but they seem to be sidelined as the White House races to meet a goal of 6 million sign-ups by the end of the month.
Obamacare opponents have run more than 30,000 television ads attacking the health law and Democratic candidates who support it, primarily in states whose residents stand to benefit the most from the law.
Sanjay Gupta rocked the medical-marijuana world last year and drew attention from Congress when he apologized for giving short shrift to medical marijuana.
President Obama issued a last call for Hispanics to get health insurance under Obamacare, and disputed that his credibility had been undermined by the plan's chaotic rollout.
Florida has a high rate of uninsured Hispanics -- nearly 10 percent of the country's uninsured Hispanics who are eligible for health insurance under Obamacare.
President Obama in his budget hopes to double spending to fight the threat of "nightmare bacteria" spreading in U.S. hospitals.
President Obama speaks at a live-streamed town hall to discuss key information about the Affordable Care Act and its impact on Hispanics in the last month of open enrollment.